Suriin ang IDNStudy.com para sa detalyadong mga sagot sa iyong mga tanong. Makakuha ng impormasyon mula sa aming mga eksperto, na nagbibigay ng maaasahang sagot sa lahat ng iyong mga tanong.
Sagot :
[tex]\sf\pink{. . • ☆ . ° .• °:. *₊ ° . ☆. . • ☆ . ° .• °:. *₊ ° . ☆}[/tex]
[tex]\pink{\mathbb{\huge{꧁ᬊᬁ~ANSWER~ᬊ᭄꧂}}}[/tex]
a. 7, 14, 28, ...
[tex]\sf\pink{ᯓ★}[/tex] First term (a) = [tex]\rm{\pink{7}}[/tex]
[tex]\sf\pink{ᯓ★}[/tex] Common ratio (r) = [tex]\rm{\pink{2}}[/tex]
[tex]\sf\pink{ᯓ★}[/tex] Sum of first 5 terms = 7 x [tex]\pink{\large{\frac{(1 ~-~ 2⁵)}{(1 ~- ~2)}}}[/tex] = [tex]\blue{\underline{\sf\pink{217}}}[/tex]
[tex]\sf\pink{╴╴╴╴╴⊹ꮺ˚ ╴╴╴╴╴⊹˚ ╴╴╴╴˚ೃ ╴╴}[/tex]
b. 4, -8, 16, ...
[tex]\sf\pink{ᯓ★}[/tex] First term (a) = [tex]\rm{\pink{4}}[/tex]
[tex]\sf\pink{ᯓ★}[/tex] Common ratio (r) = [tex]\rm{\pink{-2}}[/tex]
[tex]\sf\pink{ᯓ★}[/tex] Sum of first 4 terms = 4 x [tex]\pink{\large{\frac{(1 ~-~ (-2)⁴)}{(1 ~-~ (-2))}}}[/tex] = [tex]\blue{\underline{\sf\pink{-20}}}[/tex]
[tex]\sf\pink{╴╴╴╴╴⊹ꮺ˚ ╴╴╴╴╴⊹˚ ╴╴╴╴˚ೃ ╴╴}[/tex]
c. 1000, 100, 10, ...
[tex]\sf\pink{ᯓ★}[/tex] First term (a) = [tex]\rm{\pink{1000}}[/tex]
[tex]\sf\pink{ᯓ★}[/tex] Common ratio (r) = [tex]\rm{\pink{0.1}}[/tex]
[tex]\sf\pink{ᯓ★}[/tex] Sum of first 3 terms = 1000 x [tex]\pink{\large{\frac{(1~ -~ 0.1³)}{(1 ~- ~0.1)}}}[/tex] = [tex]\blue{\underline{\sf\pink{1109}}}[/tex]
[tex]\sf\pink{╴╴╴╴╴⊹ꮺ˚ ╴╴╴╴╴⊹˚ ╴╴╴╴˚ೃ ╴╴}[/tex]
Learn more about geometric sequence!
[tex]\sf\pink{ᯓ★}[/tex] https://brainly.ph/question/31357335
[tex]\bold{\small\pink{⋆˚࿔~ ashrieIIe~˚⋆}}[/tex] [tex]\pink{\heartsuit}[/tex]
[tex]\sf\pink{. . • ☆ . ° .• °:. *₊ ° . ☆. . • ☆ . ° .• °:. *₊ ° . ☆}[/tex]
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